_class not working under Field

[Lucas]

hello one and all,

using the latest py4web, 1.20250623.1, with PostgreSQL.  I place a _class under Field, like:

Field('semester_year_i', 'integer', requires=IS_INT_IN_RANGE(2017, 2027), default=2025, _class="year",),

and class will show in the source html but will not equal anything.  I've tried simply [[=form]] or [[=form.custom.widgets['semester_year_i']]] and still class will not equal 'year'.

thank you in advance, Lucas

[Lucas]

nobody has seen this issue?  is there something I'm missing?  like py4web isn't meant to do this.

[Massimo DiPierro]

It is indeed intentional to decouple presentation info (such as _class) from the validators. This is because different widgets could be used and what the class attribute means would be ambiguous. Some widgets could even have a complex structure which requires multiple classes. You can pass **kwargs to validators but that does not mean they are used.

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